• RI - Unifesp
    • Documentos
    • Tutoriais
    • Perguntas frequentes
    • Atendimento
    • Equipe
    • português (Brasil)
    • English
    • español
  • Sobre
    • RI Unifesp
    • Documentos
    • Tutoriais
    • Perguntas frequentes
    • Atendimento
    • Equipe
  • English 
    • português (Brasil)
    • English
    • español
    • português (Brasil)
    • English
    • español
  • Login
View Item 
  •   DSpace Home
  • Escola Paulista de Medicina (EPM)
  • EPM - Artigos
  • View Item
  •   DSpace Home
  • Escola Paulista de Medicina (EPM)
  • EPM - Artigos
  • View Item
JavaScript is disabled for your browser. Some features of this site may not work without it.

Estudo comparativo da flarefotometria em pacientes com melanoma maligno e nevo de coróide

Thumbnail
View/Open
S0004-27492002000100006.pdf (93.64Kb)
Date
2002-01-01
Author
Ballalai, Priscilla Luppi [UNIFESP]
Erwenne, Clélia Maria [UNIFESP]
Chojniak, Martha Motono
Type
Artigo
ISSN
0004-2749
Is part of
Arquivos Brasileiros de Oftalmologia
DOI
10.1590/S0004-27492002000100006
Metadata
Show full item record
Alternative Title
Comparative study of flare photometry in patients with choroidal malignant melanoma and choroidal nevus
Abstract
Introduction: Malignant intraocular tumors are associated with an increase in the aqueous flare, caused by alterations of the blood-ocular barriers through various mechanisms. Several studies have demonstrated an ocular flare increase using flare photometry in eyes with benign and malignant tumors. Purpose: To evaluate flare photometry as an adjunct method in the differential diagnosis of choroidal malignant melanoma and choroidal nevus comparing to normal control eyes. Methods: Eyes with melanoma and nevus were diagnosed by indirect binocular ophthalmoscopy and/or ultrasound were evaluated. The fellow normal eyes were used as a control. In all subject and control eyes flare photometry was performed using the Laser Flare Meter (FC 500, Kowa), under mydriasis. Statistical analysis was done using the Wilcoxon, Mann-Whitney, and Spearman tests. Results: Thirty-one eyes with malignant melanoma and 18 eyes with nevus were evaluated. The flare photometry average in the eyes with malignant melanoma was 17.1 ph/ms and in the control fellow eyes it was 4.06 ph/ms. In eyes with choroidal nevus the flare photometry average was 6.12 ph/ms and in the control fellow eyes it was 4.47 ph/ms. The flare photometry was higher in eyes with malignant melanoma and nevus than in the fellow normal eyes (p<0.001 and p<0.01). Comparing the eyes with malignant melanoma and nevus, flare photometry was significantly higher in eyes with malignant melanoma (p<0.001). There was a positive correlation between the tumor thickness and flare photometry (r=0.47). Conclusion: Flare photometry is a helpful tool in the differential diagnosis of malignant melanoma and choroidal nevus.
 
Introdução: Os tumores malignos intra-oculares estão associados com um aumento do flare na câmara anterior, causado por uma quebra na barreira hemato-aquosa, que pode ocorrer por vários mecanismos. Estudos utilizando a flarefotometria confirmam o aumento do flare em olhos com tumores intra-oculares malignos e benignos. Objetivo: Avaliar a flarefotometria como auxiliar no diagnóstico diferencial de melanoma maligno e nevo de coróide, comparando-se com olhos contralaterais normais. Métodos: Foram avaliados olhos com melanoma maligno e olhos com nevo de coróide diagnosticados por meio de oftalmoscopia indireta e/ou ultra-sonografia. Os olhos normais contralaterais foram utilizados como controles. A flarefotometria foi realizada em todos os pacientes, sob midríase bilateral, utilizando equipamento Laser Flare Meter (FC 500, Kowa). Foram aplicados os testes de Wilcoxon, Mann-Whitney, e Spearman para análise estatística. Resultados: A média da flarefotometria nos olhos com melanoma maligno de coróide foi 17,1 ph/ms e nos olhos normais contralaterais foi 4,06 ph/ms. Nos olhos com nevo de coróide o valor da flarefotometria foi 6,12 ph/ms e nos olhos contralaterais normais foi 4,47 ph/ms. O valor da flarefotometria foi maior nos olhos com melanoma maligno e nevo quando comparado com os olhos contralaterais normais (p<0,001 e p<0,01). Nos olhos com melanoma maligno o valor da flarefotometria foi significantemente maior que nos olhos com nevo de coróide (p<0,001). Foi observada correlação positiva entre a espessura do tumor e a flarefotometria (r=0,47). Conclusão: A flarefotometria é um exame útil no diagnóstico diferencial entre melanoma maligno e nevo de coróide.
 
Citation
Arquivos Brasileiros de Oftalmologia. Conselho Brasileiro de Oftalmologia, v. 65, n. 1, p. 31-35, 2002.
Keywords
Melanoma
Choroid neoplasms
Nevi and melanomas
Lasers
Photometry
Comparative study
Differential diagnosis
Blood-aqueous barrier
Melanoma
Neoplasias da coróide
Nevos e melanomas
Lasers
Fotometria
Estudo comparativo
Diagnóstico diferencial
Barreira hemato-aquosa
URI
http://repositorio.unifesp.br/handle/11600/1310
Collections
  • EPM - Artigos [17709]

Related items

Showing items related by title, author, creator and subject.

  • Thumbnail

    Discrepant mutational status between naevi and melanomas in naevus-associated melanomas: about mutation-specific immunohistochemistry: reply from the authors 

    Shitara, D. [UNIFESP]; Tell-Marti, G.; Badenas, C.; Enokihara, M. M. S. S. [UNIFESP]; Alos, L.; Larque, A. B.; Michalany, N. [UNIFESP]; Puig-Butille, J. A.; Carrera, C.; Malvehy, J.; Puig, S.; Bagatin, E. [UNIFESP] (Wiley-Blackwell, 2016)
  • Thumbnail

    A Subset of Host B Lymphocytes Controls Melanoma Metastasis through a Melanoma Cell Adhesion Molecule/MUC18-Dependent Interaction: Evidence from Mice and Humans 

    Staquicini, Fernanda I.; Tandle, Anita; Libutti, Steven K.; Sun, Jessica; Zigler, Maya; Bar-Eli, Menashe; Aliperti, Fabiana [UNIFESP]; Perez, Elizabeth C. [UNIFESP]; Gershenwald, Jeffrey E.; Mariano, Mario [UNIFESP]; Pasqualini, Renata; Arap, Wadih; Lopes, Jose Daniel [UNIFESP] (Amer Assoc Cancer Research, 2008-10-15)
    Host immunity affects tumor metastasis but the corresponding cellular and molecular mechanisms are not entirely clear. Here, we show that a subset of B lymphocytes (termed B-1 population), but not other lymphocytes, has ...

  • Thumbnail

    Characterization of individuals at high risk of developing melanoma in Latin America: bases for genetic counseling in melanoma 

    Puig, Susana; Potrony, Miriam; Cuellar, Francisco; Puig-Butille, Joan Anton; Carrera, Cristina; Aguilera, Paula; Nagore, Eduardo; Garcia-Casado, Zaida; Requena, Celia; Kumar, Rajiv; Landman, Gilles [UNIFESP]; Soares de Sa, Bianca Costa; Rezze, Gisele Gargantini; Facure, Luciana; Ribeiro de Avila, Alexandre Leon; Achatz, Maria Isabel; Carraro, Dirce Maria; Duprat Neto, Joao Pedreira; Grazziotin, Thais C.; Bonamigo, Renan R.; Rey, Maria Carolina W.; Balestrini, Claudia; Morales, Enrique; Molgo, Montserrat; Bakos, Renato Marchiori; Ashton-Prolla, Patricia; Giugliani, Roberto; Borges, Alejandra Larre; Barquet, Virginia; Perez, Javiera; Martinez, Miguel; Cabo, Horacio; Sabban, Emilia Cohen; Latorre, Clara; Carlos-Ortega, Blanca; Salas-Alanis, Julio C.; Gonzalez, Roger; Olazaran, Zulema; Malvehy, Josep; Badenas, Celia (Nature Publishing Group, 2016)
    Purpose: CDKN2A is the main high-risk melanoma-susceptibility gene, but it has been poorly assessed in Latin America. We sought to analyze CDKN2A and MC1R in patients from Latin America with familial and sporadic multiple ...


DSpace software copyright © 2002-2016  DuraSpace
Contact Us
Theme by 
Atmire NV
 

 

Browse

All of DSpaceCommunities & CollectionsBy Issue DateAuthorsTitlesSubjectsBy Submit DateThis CollectionBy Issue DateAuthorsTitlesSubjectsBy Submit Date

My Account

Login

Statistics

View Usage Statistics

DSpace software copyright © 2002-2016  DuraSpace
Contact Us
Theme by 
Atmire NV